diff --git a/server.js b/server.js
index 0b6b4bbc..6fdcdf38 100644
--- a/server.js
+++ b/server.js
@@ -191,8 +191,6 @@ pool.on('error', (err) => {
 const genAI = process.env.GEMINI_API_KEY
     ? new GoogleGenerativeAI(process.env.GEMINI_API_KEY) : null;
 
-// Together 専用インスタンス（メインキーを共用）
-const genAITogether = genAI;
 
 // ── API Key 認証 ──────────────────────────
 // API_KEYS="pk_maita_abc:maita,pk_partner_def:partner"
@@ -1389,14 +1387,20 @@ function buildRouter() {
         sql += ' ORDER BY saved_at DESC LIMIT 300';
 
         try {
-            const { rows } = await pool.query(sql, params);
+            const [{ rows }, { rows: countRows }] = await Promise.all([
+                pool.query(sql, params),
+                pool.query(
+                    `SELECT status, COUNT(*)::int AS cnt FROM articles WHERE user_id=$1 GROUP BY status`,
+                    [req.userId]
+                )
+            ]);
 
-            // カウント計算
+            const countMap = Object.fromEntries(countRows.map(r => [r.status, r.cnt]));
             const counts = {
-                all: rows.length,
-                unread: rows.filter(a => a.status === 'inbox').length,
-                favorite: rows.filter(a => a.status === 'favorite').length,
-                shared: rows.filter(a => a.status === 'shared').length
+                all:      countRows.reduce((s, r) => s + r.cnt, 0),
+                unread:   countMap['inbox']    || 0,
+                favorite: countMap['favorite'] || 0,
+                shared:   countMap['shared']   || 0,
             };
 
             res.json({ articles: rows, counts });
@@ -1465,7 +1469,14 @@ function buildRouter() {
 
                     if (checkRateLimit('gemini_analyze', savedUserId, 50, 60 * 60 * 1000)) {
                         analyzeWithGemini(finalTitle, fullText || meta.desc, url).then(async (ai) => {
-                            if (!ai) { console.warn(`[Brain API] AI analysis skipped (null) for ${url}`); return; }
+                            if (!ai) {
+                                console.warn(`[Brain API] AI analysis failed for ${url}, clearing placeholder`);
+                                await pool.query(
+                                    `UPDATE articles SET summary=NULL WHERE user_id=$1 AND url=$2 AND summary LIKE '⏳%'`,
+                                    [savedUserId, url]
+                                );
+                                return;
+                            }
                             await pool.query(`
                                 UPDATE articles SET summary=$1, topics=$2, reading_time=$3
                                 WHERE user_id=$4 AND url=$5
@@ -1474,7 +1485,7 @@ function buildRouter() {
                         }).catch(e => console.error('[Background AI Error]:', e));
                     }
                 } catch (e) {
-                    console.error('[Background Meta Error]:', e.message);
+                    console.error('[Background Meta Error]:', e.message || e);
                 }
             });
 
@@ -1566,7 +1577,13 @@ function buildRouter() {
 
                     if (checkRateLimit('gemini_analyze', savedUserId, 50, 60 * 60 * 1000)) {
                         analyzeWithGemini(meta.title, fullText, url).then(async (ai) => {
-                            if (!ai) { console.warn(`[Brain API] AI analysis skipped (null) for ${url}`); return; }
+                            if (!ai) {
+                                await pool.query(
+                                    `UPDATE articles SET summary=NULL WHERE user_id=$1 AND url=$2 AND summary LIKE '⏳%'`,
+                                    [savedUserId, url]
+                                );
+                                return;
+                            }
                             await pool.query(`
                                 UPDATE articles SET summary=$1, topics=$2, reading_time=$3
                                 WHERE user_id=$4 AND url=$5
@@ -1579,7 +1596,7 @@ function buildRouter() {
             });
 
         } catch (e) {
-            if (!res.headersSent) res.status(500).send(`<h1>保存失敗: ${escapeHtml(e.message)}</h1>`);
+            if (!res.headersSent) res.status(500).send(`<h1>保存に失敗しました</h1>`);
         }
     });
 
@@ -2379,7 +2396,7 @@ ${excerpt}
                 // 最初の ## 見出し以降を本文とみなし 4000 字を Gemini に渡す
                 const bodyStart = fullContent.search(/^#{1,2}\s/m);
                 const excerpt = (bodyStart >= 0 ? fullContent.slice(bodyStart) : fullContent).slice(0, 4000);
-                const model = genAITogether.getGenerativeModel({ model: 'gemini-2.5-flash' });
+                const model = genAI.getGenerativeModel({ model: 'gemini-2.5-flash' });
                 const prompt = `以下の記事を分析して、JSONのみを返してください（コードブロック不要）。\n\n{"summary":"1〜2文の日本語要約","tags":["タグ1","タグ2","タグ3"]}\n\n- summary: 読者が読む価値があるかを判断できる1〜2文\n- tags: 内容を表す具体的な日本語タグを2〜4個。「その他」は絶対に使わないこと。内容が不明な場合でも最も近いカテゴリを選ぶ（例: AI, テクノロジー, ビジネス, 健康, 旅行, 料理, スポーツ, 政治, 経済, エンタメ, ゲーム, 科学, デザイン, ライフスタイル, 教育, 環境, 医療, 法律, 文化, 歴史）\n\n記事:\n${excerpt}`;
                 const timeoutP = new Promise((_, reject) => setTimeout(() => reject(new Error('timeout')), 30000));
                 const result = await Promise.race([model.generateContent(prompt), timeoutP]);